Gennum Unveils World's First Complete IC Solution for 16G Fibre Channel SFP+

SAN DIEGO, CALIFORNIA -- (MARKET WIRE) -- Mar 23, 2009 -- Allowing the industry to rapidly migrate to the next node in Fibre Channel development (16GFC), Gennum Corporation (TSX: GND) today announced the immediate availability of the world's first 16GFC SFP+ complete integrated circuit (IC) solution. The solution is comprised of a clock and data recovery (CDR) (with integrated limiting amplifier) IC, a CDR with integrated equalizer/laser driver IC, and a transimpedance amplifier (TIA). The new ICs represent the most comprehensive 16GFC SFP+ solution on the market, while delivering the robust performance required by networking and storage applications. Gennum is demonstrating the new ICs and a corresponding SFP+ reference design at the Optical Fiber Conference and National Fiber Optics Engineers Conference (OFC/NFOEC) this week.

"By leveraging our proven CDR and TIA technologies, we are first to market with a robust SFP+ IC solution that meets the jitter, cost, and power demands of next-generation 16G Fibre Channel applications," said Bharat Tailor, Director of Marketing for Networking, Storage and Computing for Gennum Corporation. "This comprehensive solution will enable our customers to begin 16G Fiber Channel SFP+ module development today, giving them a critical time-to-market advantage." The company said it has already sampled the devices to several major module suppliers. Gennum is a market share leader in both TIAs and CDRs at 8.5G/10G rates, having shipped over 6 million TIAs and CDRs to date.

Extends Portfolio to include 8.5G, 10G and 16G SFP+ Module Options for Fibre Channel

The new ICs and reference designs enable development of SFP+ modules using the same form factor and pin-out as previous 8GFC solutions, and therefore provide a low-cost, low-power approach that can ease migration to 16GFC data rates. Gennum also offers 8 Gb/s and 10 Gb/s CDR solutions to customers worldwide, providing the robust performance and added noise immunity needed by networking and storage applications.

The Fibre Channel specification is standardized in the T11 Technical Committee of the International Committee for Information Technology Standards (INCITS), an American National Standards Institute (ANSI)-accredited standards committee. The committee is developing the 16GFC standard, with expected completion later this year. The emerging 16GFC aims to double the throughput of the 8GFC standard, and has a defined line rate of 14.025 Gb/s. The increased data rate of the emerging standard brings a new set of performance challenges that must be addressed by designers without adding significant cost to the overall design. The use of CDRs in SFP+ modules ensures high reliability and a simplified design approach.

Complete 16GFC SFP+ IC Solution Delivers Low-Cost, High Reliability Solution for SFP+

Gennum's new solution consists of three separate devices. The GN2015 CDR with integrated, limiting amplifier is ideal for the receive side of the module due to its high sensitivity and high input jitter tolerance. This is extremely important as each 16GFC bit period is only about 70ps. CDR functionality ensures a very clean output signal for routing through the SFP+ connector and into the host system, thereby enabling a direct connection between the SFP+ module and host ASICs.

The GN2016 CDR with integrated equalizer and vertical cavity surface emitting laser (VCSEL) laser driver is targeted at the transmit side of the module as the equalizer is able to compensate for losses on the host board and in the SFP+ module, and the integrated VCSEL driver removes the need for a discrete component. The CDR portion of the GN2016 ensures a clean output for optical transmission.

Both transmit and receive devices operate reference-free and require a 3.3V power supply, making them ideal for SFP+ modules and backplane/copper interconnect applications. Each device is packaged in a 4mm x 4mm RoHS compliant 24-pin QFN package.

The GN1065 TIA provides 12GHz of bandwidth with only 1.2uA root mean square (rms) noise allowing for a sensitivity of -19dBm at 14.025Gb/s. Designed for use with PIN or APD diodes, the device includes features such as on-chip decoupling and a highly accurate RSSI circuit to ease implementation within any receiver package.

The power consumption for the 16GFC SFP+ reference design (which incorporates the GN1065, GN2015, and GN2016) leaves ample margin to fit within the SFP+ 1W limit.

Pricing and Availability

Samples are available now. The GN2015 and GN2016 CDR pair is priced at $12 in sample quantities. A complete SFP+ optical module reference design kit, including schematics, layout files and a design guide, is available now. A complete copper cable assembly reference design kit, with or without cables, includes schematics layout files and a design guide, and will be available in June, 2009.

About Gennum

Gennum Corporation (TSX: GND) designs innovative semiconductor solutions and intellectual property (IP) cores for the world's most advanced consumer connectivity, enterprise, video broadcast and data communications products. Leveraging the company's proven optical, analog and mixed-signal products and IP, Gennum enables multimedia and data communications products to send and receive information without compromising the signal integrity. A recognized award-winner for advances in high definition (HD) broadcasting, Gennum is headquartered in Burlington, Canada, and has global design, research and development and sales offices in Canada, Germany, India, Japan, Korea, Mexico, Taiwan, the United States and the United Kingdom.

Gennum and the Gennum logo are registered trademarks of Gennum Corporation. All other product or service names are the property of their respective owners. Gennum Corporation, 2009.

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